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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"qa1sLhLWqmxZ8xIMqVqDTnssOtYK8K","q","A radioactive isotope has a decay constant of 10\\(^{-6}\\)s\\(^{-1}\\). Calculate its half-life.","ans",[414],1,"2016","course","physics","exp","t\\(_{1/2}\\) = \\(\\frac{0.693}{\\gamma}\\) = \\(\\frac{0.693}{10^{-6}}\\)
\n
\n= 6.93 x 10\\(^5\\)","opts",[422,423,424,425],"5.93 x 10⁶s","6.93 x 10⁵s","6.93 x 10⁹s","5.93 x 10⁷s",25,"25","initComment","initReply","actionData","errors"]

JAMB - Physics (2016 - No. 25)

Explanation

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